Dump bucket arch

Details Dump bucket arch Dump bucket arch

1993-09-13

1995-07-04

Reese, Randolph A.

Excavating

Cable-operated

Scoop or bucket

37394, 37397, 414722, E02F 360

Patent

active

054289092

ABSTRACT:
A bucket arch, used on dragline buckets, has a pair of side sections and an arch center section disposed therebetween. At least one lug is attached to the arch center section and exerts a force on the center section along a force axis. In the improvement, the center section is angled with respect to the side sections and has an axis generally coincident with the force axis. Such angled center section at least greatly reduces the twisting forces imposed on the arch by the lug. Such center section also greatly reduces the wear or friction on the center section of the arch resulting from the drag chain rubbing thereon during tipping of the bucket.

REFERENCES:
patent: 1016860 (1912-02-01), Weeks
patent: 1824989 (1931-09-01), Fundom
patent: 1868246 (1932-07-01), Page
patent: 2120444 (1938-06-01), Smith
patent: 2359817 (1944-10-01), Ashley
patent: 2525528 (1950-10-01), Deal
patent: 2862314 (1958-12-01), Larsen
patent: 4791738 (1988-12-01), Briscoe
25 pages from Page Engineering on Williams product catalogs.

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